def test_verify_wrong_password():
    """ with the credentials file try to verify wrong password combination. """
    with app.app_context():
        assert auth.verify_pw("winnie", "pooh") == False
def test_verify_correct_password():
    """ with the credentials file try to verify correct password combination """
    with app.app_context():
        assert auth.verify_pw(username, password) == True